Is 763 a deficient number and what is its deficiency?

Is 763 a deficient number?

Here we will explain and calculate if 763 is a deficient number and its deficiency if applicable.

763 is a deficient number if the sum of its proper divisors is less than 763.

The sum of its proper divisors is calculated as follows: 1 + 7 + 109 = 117.

117 is less than 763. Therefore, 763 is a deficient number.

The deficiency of 763 is 763 minus the sum of its proper divisors. Thus, the deficiency of 763 is 763 - 117 = 646

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